All Saints Leek And Potato Hereford Pie

• 12 sheets phyllo pastry
• 2 eggs (beaten)
• 1 salt
• 1/4 no need to peel (thick)
• 450 ml double cream
• 450 gr dry
• 290 gr skinned potatoes (thin sliced)
• 260 gr leeks trimmed
• 75 gr little hereford cheese
• 26 gr butter divided use (unsalted)